The number of times Jesus talked about wealth & possessions, stewardship & accountability, far exceeded any discussion on any topic.
In fact there's about 10 times the number of references to finances, stewardship and resources, than there are to faith & salvation, and yet all of these go together.
Spirit of Mammon - 4 sermons on by Mike Connell
Finance Seminar - 2 sermons on by Shane Willard